18803105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 24060240

約数和(自身を除く): 5257135

約数列:

[1, 5, 17, 85, 157, 785, 1409, 2669, 7045, 13345, 23953, 119765, 221213, 1106065, 3760621, 18803105]

約数ペア:

[(1, 18803105), (5, 3760621), (17, 1106065), (85, 221213), (157, 119765), (785, 23953), (1409, 13345), (2669, 7045)]